Discover / saylorinnovations.com

Saylor Innovations Library Docs

■ Challenge detected

Current library docs for an npm, PyPI, crates, Go or GitHub package - README sections, version, license and install

Listed price
$0.01
Challenge detected
7 of the last 10 checks
Median response
275 ms
Last checked
17 Oct, 07:50 UTC
In our index since
26 Sept 2026

Endpoint

curl -i https://saylorinnovations.com/api/docs/npm/zod
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
1,040 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://saylorinnovations.com/api

  • GET/predictions/search$0.01Prediction market odds search across Polymarket and Kalshi - implied probabilities, volume and close time
  • GET/domain/subdomains$0.01List subdomains of a domain from Certificate Transparency logs - first and last seen dates, certificate counts and issuer, plus wildcard certificate count
  • GET/net/peeringdb$0.01Network peering profile by ASN from PeeringDB - operator, traffic ratio, peering policy, IPv4/IPv6 prefix counts, internet exchange ports and data centers
  • GET/options/chain$0.01BTC and ETH options chain for an expiry - strike, type, implied volatility, open interest and volume
  • GET/kb/installing-the-duino-coin-repo-on-linux-desktop$0.01Duino-Coin mining setup on a Linux desktop - Python dependencies, official repo, requirements and wallet config
  • GET/useragent/parse$0.01Parse a user-agent string - browser, OS, device type, engine and bot detection including AI crawlers
  • GET/x402/:tzNo price listedCurrent UTC Time (paid x402 time endpoint). Current UTC time from the server: unix seconds, ISO 8601, weekday, and local wall-clock time for any IANA time zone via ?tz=. A paid x402 time endpoint for agents that need a trusted clock.
  • GET/realestate/cap-rate$0.01Property cap rate calculator from net operating income and value
  • GET/docker/image$0.01Docker Hub repository info - description, stars, pulls, last update and latest tags
  • GET/perps/market/:coin$0.01Hyperliquid perp market for any coin - mark and oracle price, open interest, volume and funding vs Binance and Bybit
  • GET/gutenberg/text/1342$0.01Full text of a Project Gutenberg book in paragraph-aligned parts, with title, author and chapter index
  • GET/business/france$0.01French company register lookup - search Sirene by name or SIREN for legal form, activity code, status, address, headcount band and revenue
  • GET/defi/hacks$0.01Crypto hacks and exploits - DefiLlama database of 1,300 incidents with amount lost, chain, technique, classification and totals by year, filterable by chain
  • GET/hazards/nz-quakes$0.01Recent New Zealand earthquakes from GeoNet - magnitude, depth, felt intensity (MMI), nearest locality, time and coordinates, filterable by intensity
  • GET/brazil/holidays$0.01Brazilian national holidays for a year - date, name and weekday
  • GET/art/object/met/436524$0.01Museum object record (Met or Art Institute of Chicago) - image, dimensions, credit line and description
  • GET/registry/hex/:name$0.01Hex package info - latest Elixir or Erlang package version, licenses, downloads, owners, retirements and mix.exs dependency snippet
  • GET/research/doi$0.01Resolve a DOI to publication metadata - citation text, identifiers and source links
  • GET/kb/durable-agent-workflowsNo price listedScheduled and Durable Agent Workflows — AI & Agents
  • GET/funding/dilution?$0.01Fundraising dilution calculator - post-money valuation and investor and holder ownership after the round
  • GET/cron/next$0.01Cron expression explained in plain English with the next run times in any time zone - validates a 5-field cron and handles DST
  • GET/evm/optimism/:chainNo price listedEVM Network Status (optimism) — On-Chain Data
  • GET/btc/network$0.01Bitcoin network status - block height and fee estimates in sat/vB from next block to 1 day
  • GET/zip/us/90210$0.01Postal code lookup worldwide - place name, state or region and coordinates for a ZIP code in any country
  • GET/net/url-parse$0.01URL parser - scheme, host, port, path segments, query parameters and fragment from any absolute URL

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 25 of 1,040 listed endpoints. Next endpoints First endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/saylorinnovations.com

Recent checks

29 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026
All 10 checks
When (UTC)ResultHTTPResponse
17 Oct, 07:50 UTCChallenge detected402568ms
15 Oct, 23:42 UTCChallenge detected402660ms
14 Oct, 19:26 UTCChallenge detected402529ms
12 Oct, 22:31 UTCChallenge detected402173ms
11 Oct, 00:15 UTCNo challenge detected400276ms
9 Oct, 18:38 UTCChallenge detected402240ms
8 Oct, 15:35 UTCChallenge detected402275ms
7 Oct, 15:42 UTCChallenge detected402212ms
6 Oct, 15:31 UTCNo challenge detected400282ms
29 Sept, 05:02 UTCNo challenge detected400192ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 07:50 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Saylor Innovations Library Docs?

Its listed price is $0.01.

What payment terms does Saylor Innovations Library Docs advertise?

The listing advertises x402, Arbitrum, Base, Polygon, Solana, USDC and USDT. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Saylor Innovations Library Docs listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.

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